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[css-writing-modes-3] bidi-003 has slight offset from the reference file #5460

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wpt-issue-mover opened this issue Apr 7, 2017 · 3 comments
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[css-writing-modes-3] bidi-003 has slight offset from the reference file #5460

wpt-issue-mover opened this issue Apr 7, 2017 · 3 comments
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@fantasai
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CSS2 css-text css-writing-modes wg-css

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@wpt-issue-mover
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Originally posted as w3c/csswg-test#794 by @kojiishi on 06 Jul 2015, 15:24 UTC:

The test and the ref are slightly off on Gecko, Blink, and Trident.

Is it possible for you to double-check if the test is correct?
@wpt-issue-mover wpt-issue-mover mentioned this issue Apr 7, 2017
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@frivoal
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frivoal commented Jan 28, 2018

I believe the text is correct. The implementation bug seems to be that browsers ignore this requirement from CSS2 (which is also in CSS-TEXT-3):

For each inline element (including anonymous inline elements), the following steps are performed, treating bidi formatting characters as if they were not there:
...

Check this example: http://jsbin.com/locakid/edit?html,output
Browsers do bidi white space collapsing correctly when markup / css is creating the bidi situation, but not when it is created with bidi control characters. That's a pretty clear spec violation.

@frivoal frivoal mentioned this issue Jan 28, 2018
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@frivoal
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frivoal commented Jan 28, 2018

Note: either way, reglardless of whether the bug is in browsers or the spec, it's a CSS2 / CSS-Text-3 bug, What's in scope for CSS-Writing-modes (bidi reordering itself) is working as intended.

@fantasai
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Florian filed the spec issue at w3c/csswg-drafts#2233 fwiw.

@frivoal frivoal closed this as completed Aug 17, 2019
@frivoal frivoal mentioned this issue Feb 10, 2020
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